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. Author manuscript; available in PMC: 2015 Jan 1.
Published in final edited form as: Obstet Gynecol. 2014 Jan;123(1):5–12. doi: 10.1097/AOG.0000000000000006

Table 1.

Baseline Characteristics

All Cases Laparoscopic Robotic P
Age 59.5 (9.9) 60.6 (9.2) 58.5 (10.5) 0.351
BMI 27.7 (5.7) 27 (4.7) 28.2 (6.6) 0.292
Parity 2.7 (1.2) 2.7 (1.3) 2.6 (1.1) 0.723
Study site
 Loyola 56 72% 28 74% 28 70% 0.804
 UCLA/Cedars-Sinai 22 28% 10 26% 12 30%
More than high school education 50 64% 24 63% 26 65% 0.999
Race
 African American 5 6% 1 3% 4 10% 0.676
 Caucasian 71 91% 36 95% 35 88%
 Other 2 3% 1 3% 1 3%
Hispanic ethnicity 4 5% 2 5% 2 5% 0.999
Household income
 < $50,000 29 37% 18 47% 11 28% 0.148
 $50,000 to $75,000 22 28% 11 29% 11 28%
 $75,000 or more 23 30% 8 21% 15 38%
Major comorbidities
 Diabetes 9 12% 3 8% 6 15% 0.482
 Heart attack 6 8% 1 3% 5 13% 0.201
 Stroke 2 3% 2 5% 0 0% 0.234
 Asthma, emphysema 16 21% 6 16% 10 25% 0.404
 Cancers 14 18% 6 16% 8 20% 0.628
 Stomach ulcer, IBS 17 22% 7 18% 10 25% 0.587
Postmenopausal 58 74% 29 76% 29 73% 0.798
Current estrogen therapy (local or systemic) 17 22% 11 29% 6 15% 0.174
Previous surgery for UI 12 15% 7 18% 5 13% 0.541
Previous surgery for POP 16 21% 8 21% 8 20% 0.999
Prior Hysterectomy 33 42% 19 50% 14 35% 0.252
Concurrent procedures at surgery
 Hysterectomy 45 58% 20 53% 25 63% 0.492
 Retropubic midurethral sling 47 60% 21 55% 26 65% 0.488
 Anterior or posterior repair 5 6% 4 11% 1 3% 0.195

BMI, body mass index; IBS, irritable bowel syndrome; UI, urinary incontinence; POP, pelvic organ prolapse. Data are mean±standard deviation or n(%) unless otherwise specified.